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Storm Data and Unusual Weather Phenomena (SD) is a monthly NOAA publication with comprehensive listings and detailed summaries of severe weather occurrences in the United States. Included is information on tornadoes , high wind events, hail , lightning , floods and flash floods , tropical cyclones (hurricanes), ice storms , snow , extreme ...
The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), [1] which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the United States Department of Commerce (DoC).
The original values that Paul Kocin and Louis Uccellini computed for storms in their original 2004 work "A Snowfall Impact Scale Derived From Northeast Storm Snowfall Distributions" and the NESIS storm values recomputed using some different data and differing methods by the National Climatic Data Center (NCDC) in 2005 to productionize their ...
During 1999 the categories very severe cyclonic Storm and super cyclonic storm were introduced, while the severe cyclonic storm with a core of hurricane winds category was eliminated. [22] During 2015, another modification to the scale took place, with the IMD calling a system with 3-minute maximum sustained wind speeds between 90 and 119 kn ...
The National Hurricane Center then uses that data to monitor a storm's location, strength, and speed and meteorologists create forecasts about the storms' track and intensity based on that ...
Using this method, officials at the Tulsa office of the National Weather Service were able to predict the intensity and duration of an ice storm 72 to 96 hours, or three to four days, in advance. [2] The EFMs and NDFD are continually updated so the degree of forecasting accuracy improves as more data is gathered about the approaching storm system.
Severe thunderstorms, including destructive tornadoes, raked through the South in the days between Christmas and New Year's 2024, from Texas to South Carolina.
The regional snowfall index (RSI) is a scale used by NOAA to assess the societal impact of winter storms in the eastern two-thirds of the United States and classify them into one of six categories. The system was first implemented in 2014, and is a replacement for the Northeast Snowfall Impact Scale (NESIS) system which the National Climatic ...